Calculated Industries 5070-A Pocket Reference Guide - Manual (Page 28)

P
ocket
R
efeRence
G
uide
— 27
(cont’d)
3. Set to Copper (if necessary):
  (Cu/Al)
3Ø 75 Cu
3 Ph
4. Enter Amps:
   AMPS 20.
5. Enter Volts:
    VOLT 208.
6. Enter Length:
    FEET 175.
7. Enter allowable VD%:
  DROP 3.0
% V
8. Find Wire Size:
 AWG 8 Cu
VD WIRE SIZE
Finding Voltage Drop Distance
How far from a Three-Phase 240
Volt source can you install a 15 Amp
load using 60°C #10 Copper branch
circuit conductors? Assume a 3%
allowable Voltage Drop.
KEYSTROKE DISPLAY
  0.
1. Set to 3-Phase:
  (3Ш)
3Ш
3 Ph
2 Set to 60º C:
  (60º)
3Ø 60
3 Ph
3. Set to Copper (if necessary):
  (Cu/Al)
3Ø 60 Cu
3 Ph